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[3/3] x86: ioapic: fix fail migration when irqchip=split

Message ID 1483952153-7221-4-git-send-email-peterx@redhat.com
State New
Headers show

Commit Message

Peter Xu Jan. 9, 2017, 8:55 a.m. UTC 
Signed-off-by: Peter Xu <peterx@redhat.com>
---
 hw/intc/ioapic.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/hw/intc/ioapic.c b/hw/intc/ioapic.c
index d1254f8..9047b89 100644
--- a/hw/intc/ioapic.c
+++ b/hw/intc/ioapic.c
@@ -439,6 +439,11 @@  static void ioapic_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
 
     k->realize = ioapic_realize;
+    /*
+     * If APIC is in kernel, we need to update the kernel cache after
+     * migration, otherwise first 24 gsi routes will be invalid.
+     */
+    k->post_load = ioapic_update_kvm_routes;
     dc->reset = ioapic_reset_common;
     dc->props = ioapic_properties;
 }